[NET]: Make /proc/net per network namespace
This patch makes /proc/net per network namespace. It modifies the global
variables proc_net and proc_net_stat to be per network namespace.
The proc_net file helpers are modified to take a network namespace argument,
and all of their callers are fixed to pass &init_net for that argument.
This ensures that all of the /proc/net files are only visible and
usable in the initial network namespace until the code behind them
has been updated to be handle multiple network namespaces.
Making /proc/net per namespace is necessary as at least some files
in /proc/net depend upon the set of network devices which is per
network namespace, and even more files in /proc/net have contents
that are relevant to a single network namespace.
Signed-off-by: Eric W. Biederman <ebiederm@xmission.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
diff --git a/drivers/net/hamradio/scc.c b/drivers/net/hamradio/scc.c
index 6fdaad5..39b3b82 100644
--- a/drivers/net/hamradio/scc.c
+++ b/drivers/net/hamradio/scc.c
@@ -174,6 +174,7 @@
#include <linux/seq_file.h>
#include <linux/bitops.h>
+#include <net/net_namespace.h>
#include <net/ax25.h>
#include <asm/irq.h>
@@ -2114,7 +2115,7 @@
}
rtnl_unlock();
- proc_net_fops_create("z8530drv", 0, &scc_net_seq_fops);
+ proc_net_fops_create(&init_net, "z8530drv", 0, &scc_net_seq_fops);
return 0;
}
@@ -2169,7 +2170,7 @@
if (Vector_Latch)
release_region(Vector_Latch, 1);
- proc_net_remove("z8530drv");
+ proc_net_remove(&init_net, "z8530drv");
}
MODULE_AUTHOR("Joerg Reuter <jreuter@yaina.de>");